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Best Unique Girl Names: Under 50 Births

Best Unique Girl Names: Under 50 Births

Unique girl names given to under 50 American baby girls in 2021 are the gold standard if you're looking for a truly one-of-a-kind name for your daughter.

These highly original girl names were used just a handful of times in the most recent year on record, virtually guaranteeing that your daughter will be the only one you'll ever meet.

Our favorite unique girl names given to fewer than 50 girls include international beauties like Allegra and Colibri, sleek surnames like Tierney and Sinclair, and fresh word names like Holiday and Fable.

Find our most up-to-date list of cool unique girl names under 50 births here.

  1. OttilieHeart
    • Origin:

      German, French
    • Meaning:

      "prosperous in battle"
    • Description:

      Ottilie and its diminutive Ottiline are a pair of names heard among the British upper crust, but have rarely been seen here since the 1880's. Ottilie does have a few cultural references: She is a key character in Goethe's Elective Affinities, Robert Louis Stevenson wrote a poem called To Ottilie, Franz Kafka had a sister named Ottilie, and it is the name of the protagonist in the John Wyndom sci-fi story Random Quest.
  2. DelphineHeart
    • Origin:

      French from Greek
    • Meaning:

      "of Delphi; womb"
    • Description:

      Delphine is a sleek, chic French name with two nature associations—the dolphin and the delphinium, a bluebell-like flower, a well as a link to the ancient city of Delphi, which the Greeks believed to be the womb of the earth. All of these derive from the Greek word delphus "womb".
  3. IsoldeHeart
    • Origin:

      Welsh, German
    • Meaning:

      "ice ruler"
    • Description:

      Now that Tristan has been rediscovered, maybe it's time for his fabled lover in the Arthurian romances and Wagnerian opera, a beautiful Irish princess, to be brought back into the light as well.
  4. CalypsoHeart
    • Origin:

      Greek
    • Meaning:

      "she who hides"
    • Description:

      This hyper-rhythmic name has two evocative references. In Greek mythology, she was an island nymph, a daughter of Atlas, who delayed Odysseus from returning home. It is also a genre of West Indian music, originating in Trinidad and Tobago and largely popularized in the States by Harry Belafonte.
  5. SaskiaHeart
    • Origin:

      Dutch
    • Meaning:

      "Saxon"
    • Description:

      From the first time we saw the name Saskia attached to a portrait of Rembrandt's wife (her full name was Saakje van Uylenburgh, but she was always called Saskia), we have found it utterly charming and wondered why it hasn't attracted more fans In this country--she's appreciated by the Brits, who have moved her to Number 392. Saskia is one of those names that's been used in Europe since the Middle Ages, but has never crossed the ocean.
  6. CosimaHeart
    • Origin:

      Italian feminine variation of Cosmo, Greek
    • Meaning:

      "order, beauty"
    • Description:

      Cosima, the kind of elegant and unusual name the British upper classes love to use for their daughters, is given to a handful of baby girls in the US after being chosen by two high-profile celebs in the same month; cool couple Sofia Coppola and Thomas Mars as well as supermodel Claudia Schiffer. It was used earlier by celebrity chef Nigella Lawson, while the male form, Cosimo, was given to the son of Marissa Ribisi and Beck.
  7. IoneHeart
    • Origin:

      Greek, a violet-colored stone
    • Description:

      This unusual Greek flower and color name has gained considerable recent attention via actress Ione Skye, who is the daughter of sixties folksinger Donovan.
  8. SerenHeart
    • Origin:

      Welsh or Turkish
    • Meaning:

      "star or sail mast"
    • Description:

      Seren is a top girls' name in Wales – and a lovely choice almost unknown elsewhere. Seren, in the Sirona form, was an ancient goddess of the hot springs.
  9. VesperHeart
    • Origin:

      Latin
    • Meaning:

      "evening star"
    • Description:

      This Latin word used for evening spiritual services was introduced to baby namers by the Eva Greene character Vesper Lynd in the modern James Bond film Casino Royale in 2006, based on the Ian Fleming novel, and is just now beginning to provoke interest among namers, with its spiritual reference and soft, whispery sound.
  10. SukiHeart
    • Origin:

      Japanese
    • Meaning:

      "loved one"
    • Description:

      One of the most familiar and usable Asian names.
  11. MaudeHeart
    • Origin:

      Variation of Matilda
    • Meaning:

      "battle-mighty"
    • Description:

      Maude, also spelled Maud, is a lacy, mauve-tinted name that was wildly popular a hundred years ago, but has been rarely heard in the past fifty. Some stylish parents are starting to choose it again, especially as a middle.

      Maud's early popularity was influenced by the Tennyson poem that included the oft-quoted line, "Come into the garden, Maude." Then, in the 1970's, along came the sitcom Maude, featuring the vociferous and opinionated character Maude Finlay, putting a very different spin on the name. But enough decades have now passed for the name to have settled back into its soft, sweet pastel image.

  12. PandoraHeart
    • Origin:

      Greek
    • Meaning:

      "all gifted"
    • Description:

      Pandora has occasionally been used by the British gentry (for girls with brothers who might be called Peregrine) and is now starting to be heard in the US too: It was given to 39 baby girls last year.
  13. FleurHeart
    • Origin:

      French
    • Meaning:

      "flower"
    • Description:

      Fleur is a generic, delicate flower name that emigrated into the English-speaking world when John Galsworthy bestowed it on one of the Forsytes in his celebrated saga. More recently, there was Fleur Delacour, a French witch and the Beauxbatons champion for the Triwizard Tournament in Harry Potter.
  14. AlouetteHeart
    • Origin:

      French
    • Meaning:

      "lark"
    • Description:

      Alouette is a sweet Gallic twist in the stylish bird name genre made familiar via the charming French children's song, Alouette, gentile alouette.
  15. EnidHeart
    • Origin:

      Welsh
    • Meaning:

      "life, spirit"
    • Description:

      This Celtic goddess and Arthurian name may sound terminally old-ladyish to many ears--but so did names like Ella and Etta not so long ago. So Enid is yet another forgotten four-letter E-possibility: she's has been M.I.A since 1954.
  16. FiaHeart
    • Origin:

      Irish or Portuguese or Italian
    • Meaning:

      "wild or weaver"
    • Description:

      Fia may be most notable at this moment as the Anglicized version of the Irish Fiadh, one of the fastest-rising names in the Republic of Ireland. The meaning of Fia or Fiadh is sometimes given as "deer" but that's in the sense of a wild deer, as the name relates to the ancient word for wild.
  17. LilacHeart
    • Origin:

      English, from Persian
    • Meaning:

      "bluish or lilac"
    • Description:

      Could Lilac be the next Lila or Lily or Violet? It certainly has a lot going for it--those lilting double 'l's, the fabulous fragrance it exudes, and the fact that it's a color name as well, providing a ready made nursery theme. In addition, the lilac is symbolic of first love.
  18. UnaHeart
    • Origin:

      Latin
    • Meaning:

      "one; also, lamb"
    • Description:

      In an epic poem, the personification of truth, beauty, and unity; this ancient name is popular in Ireland but rarely heard here. The Oona spelling has more oomph.
  19. ElspethHeart
    • Origin:

      Scottish variation of Elizabeth
    • Meaning:

      "pledged to God"
    • Description:

      Elspeth is one of those names that never quite made it out of the British Isles--particularly Scotland, but possesses a winningly childlike charm. Elspeth was used by Sir Walter Scott for several of his female characters.
  20. BellatrixHeart
    • Origin:

      Latin
    • Meaning:

      "female warrior"
    • Description:

      J.K. Rowling is a modern master of naming who brought a whole constellation of ancient and celestial names to modern parents. Bellatrix, of one of the stars of Orion, combines fashionable names Bella and Beatrix to make a convivial and original name. The down side: the Harry Potter character Bellatrix, played by Helena Bonham Carter, is a character so evil she's called a Death Eater, killing one beloved character and being murdered by another. And the name Bellatrix is so closely associated with that character that it might be challenging to sidestep the association.